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      659.  ------.  [FIORELLI, F.]  [Vertical Oven for Synthesizing Gas.]  German Patent 719,874, Apr. 18, 1942; appl. F 84,479, filed February 1938 (Cl. 26 a-2).  Chem. Abs., vol. 37, 1943, p. 2163.

            Construction and operation of an oven for the production of gas from lignite and desulfurizing of the gas.

            FIORELLI, F.  See abs. 3801.